import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome'
import Users from '../components/user/Users'
import Rights from '../components/power/Rights'
import Roles from '../components/power/Roles'
import Cate from '../components/goods/Cate'
import Params from '../components/goods/Params'
import List from '../components/goods/List'
import Add from '../components/goods/Add'
import Order from '../components/order/Order'
import Report from '../components/report/Report'


Vue.use(VueRouter)



 const router=new VueRouter({
    routes:[
        {
            path:'/',
            redirect:'/login'
        },
        {
            path:'/login',
            component:Login
        },
        {
            path:'/home',
            component:Home,
            redirect:'/welcome',
            children:[
                {path:'/welcome',component:Welcome},
                {path:'/users',component:Users},
                {path:'/rights',component:Rights},
                {path:'/roles',component:Roles},
                {path:'/categories',component:Cate},
                {path:'/params',component:Params},
                {path:'/goods',component:List},
                {path:'/goods/add',component:Add},
                {path:'/orders',component:Order},
                {path:'/reports',component:Report},
            ]
        }

    ]
})


// 挂载路由导航守卫
router.beforeEach((to,from,next)=>{
    // to将要访问的路径
    // from代表从哪个路径跳转而来
    // next是一个函数，表示放行
    // next()放行 next('/login')强制跳转时的路径

    if(to.path==='/login') return next();
    //获取token
    const tokenStr=window.sessionStorage.getItem('token')

    if(!tokenStr) return next('/login')
    next()
})

export default router
